Transportation Secretary Sean Duffy warned on Sunday that he's "concerned" about the whole airspace of the United States, ...

Transportation Secretary Sean Duffy plans to reduce the number of flights in and out of the Newark Liberty International ...

Transportation Secretary Sean Duffy on Sunday said he will soon announce a reduction in the number of takeoffs and landings ...

In a letter to Gov. Kathy Hochul, Transportation Secretary Sean Duffy said New York risks losing federal funding and approvals for certain projects from the Federal Highway Administration if it ...